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Le 13 novembre 2015 De 10h30 à 12h00 Coralie NEINER Observatoire de Paris I will present the latest observational results obtained on the magnetic fields of massive stars thanks mainly to large spectropolarimetric programs. I will discuss the origin of these magnetic fields,...
Le 6 novembre 2015 De 10h30 à 12h00 Else STARKENBURG AIP Potsdam Resolved stellar spectroscopy presents us with "archaeological" evidence about chemical enrichment processes back to the earliest times. In this talk I will review the very early (chemical) evolution of the...
Le 30 octobre 2015De 10h30 à 12h00 Eddie SCHLAFLY MPIA Heidelberg The dust extinction curve is an important diagnostic of the physics of the interstellar medium, as well as a critical element to many observational programs. Detailed studies of the extinction curve and...
Le 23 octobre 2015De 10h30 à 12h00 Antonino Di Piazza Max-Planck-Institut fur Kernphysik, Saupfercheckweg 1, D-69117 Heidelberg, Germany Classical electrodynamics (CED) and quantum electrodynamics (QED) are well established physical theories and their predictions have been conrmed...
Le 16 octobre 2015 De 10h30 à 12h00 Henri BOFFIN ESO, Paranal Most stars are born and live in binary systems, and will often interact in one way or another. The study of binary stars is therefore critical to apprehend many of the most interesting classes of stars. Moreover,...
Le 9 octobre 2015 De 10h30 à 12h00 Eline TOLSTOY Kapteyn Astronomical Institute, Groningen I will talk about how resolved stellar populations in the nearby Local Group dwarf galaxies have been used to study the detailed chemical, kinematic and star formation history of...
Le 2 octobre 2015 De 10h30 à 12h00 Céline BOEHM Durham University & LAPTH Annecy La nature de la matière noire reste mystérieuse malgré les nombreuses expériences de détection directe et indirecte. Je montrerai comment les catalogues de galaxies peuvent aider à...
Le 25 septembre 2015 De 10h30 à 12h00 Pavel KROUPA University of Bonn The stellar initial mass function (IMF) is usually assumed to be a probability density distribution function. Recent data appear to question this interpretation though, and I will discuss alternative...
Le 11 septembre 2015 De 10h30 à 12h00 Simona MEI Observatoire de Paris We will present recent results on the evolution of very massive galaxies in the field and in dense environments (e.g. galaxy clusters), using recent data from the HST/CANDELS and COSMOS surveys. We will...
Le 7 juillet 2015 De 10h30 à 12h00 Klemens BÖHM Karlsruhe Institute of Technology Many scientific databases nowadays are publicly available for querying and advanced data analytics. One prominent example is the Sloan Digital Sky Survey (SDSS) SkyServer, which offers data...